We installed the latest version of Episerver.Marketing.Testing, 2.5.5 in our solution and now our webapi routes don't work anymore. We get the following error on all our webapi routes:
ExceptionMessage: "The object has not yet been initialized. Ensure that HttpConfiguration.EnsureInitialized() is called in the application's startup code after all other initialization code."
Before installing the package everything worked fine. I think it has to do with how the plugin initializes its own routes and does it in a way that we can't add our own.
You need to follow this